*{
	margin: 0;
	padding: 0;
}

.swiper{
	width: 700px;
	height: 300px;
	position: relative;
	margin: 0 auto;
}
.swiper .imglist{
	width: 700px;
	height: 300px;
	position: absolute;
	left: 0;
	top: 0;
}

.swiper .imglist .imgItem{
	width: 700px;
	height: 300px;
	position: absolute;
	left: 0;
	top: 0;
	background-size: cover;
	background-position: center;
	transition: opacity 0.8s;
	opacity: 0;
}
.swiper .imglist .imgItem.active{
	opacity: 1;
}

.prevBtn{
	width: 50px;
	height: 50px;
	color: #fff;
	background-color: rgba(0,0,0,0.6);
	position: absolute;
	left: 0;
	top:calc(50% - 25px) ;
	text-align: center;
	line-height: 50px;
	font-size: 25px;
	cursor: pointer;
}

.nextBtn{
	width: 50px;
	height: 50px;
	color: #fff;
	background-color: rgba(0,0,0,0.6);
	position: absolute;
	right: 0;
	top:calc(50% - 25px) ;
	text-align: center;
	line-height: 50px;
	font-size: 25px;
	cursor: pointer;
}

.circleList{
	width: 700px;
	height: 50px;
	position: absolute;
	bottom: 0px;
	left: 0;
	display: flex;
	justify-content: flex-end;
	align-items: center;
	padding: 0 20px;
	box-sizing: border-box;
}
.circle{
	width:8px;
	height: 8px;
	border: 2px solid #ccc;
	background-color: #999;
	margin: 0 5px;
	box-sizing: border-box;
	border-radius: 4px;
	
}
.circle.active{
	width:8px;
	height: 8px;
	border: 2px solid #ccc;
	background-color: #efefef;
	margin: 0 5px;
	box-sizing: border-box;
	border-radius: 4px;
	
}